matlab: improved doc for AddMSLPort
Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>pull/10/head
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@ -22,24 +22,32 @@ function [CSX,port] = AddMSLPort( CSX, prio, portnr, materialname, start, stop,
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% in drawing units. Default is the middle of start/stop.
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% 'PortNamePrefix' a prefix to the port name
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%
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% the mesh must be already initialized
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% Important: The mesh has to be already set and defined by DefineRectGrid!
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%
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% example:
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% start = [0 0 height];
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% stop = [length width 0];
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% CSX = AddMetal( CSX, 'metal' ); %create a PEC called 'metal'
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% [CSX,port] = AddMSLPort( CSX, 0, 1, 'metal', start, stop, ...
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% 0, [0 0 -1] , 'ExcitePort', 'excite', 'Feed_R', 50 )
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%
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% this defines a MSL in x-direction (dir=0) with an e-field excitation
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% in -z-direction (evec=[0 0 -1]) the excitation is placed at x=start(1);
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% the wave travels towards x=stop(1) the MSL-metal is created
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% in xy-plane at z=start(3)
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% start = [0 -width/2 height];
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% stop = [length +width/2 0 ];
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% [CSX,port] = AddMSLPort( CSX, 0, 1, 'metal', start, stop, 'x', [0 0 -1], ...
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% 'ExcitePort', true, 'Feed_R', 50 )
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% Explanation:
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% - this defines a MSL in x-direction (dir='x')
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% --> the wave travels along the x-direction
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% - with an e-field excitation in -z-direction (evec=[0 0 -1])
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% - the excitation is active and placed at x=start(1) ('ExcitePort', true)
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% - a 50 Ohm lumped port resistance is placed at x=start(1) ('Feed_R', 50)
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% - the width-direction is determined by the cross product of the
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% direction of propagtion (dir='x') and the excitation vector
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% (evec=[0 0 -1]), in this case it is the y-direction
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% - the MSL-metal is created in a xy-plane at a height at z=start(3)
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% --> It is important to define the MSL height in the start coordinate!
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% - the ground (xy-plane, not defined by the port) is assumed at z=stop(3)
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% --> The reference plane (ground) is defined in the stop coordinate!
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%
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% Sebastian Held <sebastian.held@gmx.de> May 13 2010
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% Thorsten Liebig <thorsten.liebig@gmx.de> Sept 16 2011
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% Thorsten Liebig <thorsten.liebig@gmx.de> (c) 2011-2013
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%
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% See also InitCSX AddMetal AddMaterial AddExcitation calcPort
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% See also InitCSX DefineRectGrid AddMetal AddMaterial AddExcitation calcPort
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%% validate arguments %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%check mesh
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